I did recharge of rs.146 which offers 1gb 4G data per day and speed of its 4g worst than 2g I am getting 1gb 4g data but I am not able to use more than 300mb per day even many times whatsapp masseges take time to deliver insted of providing services to the customer they just focusing on adverting even my phone in network mode a person tries to call me find my phone as a switch off mode or out of coverge area and its not abot a particular place only I find such issue in every area if mumbai now I am thinking it was better for me or for everyone insted of investing money on airtel 4g should invest in docomo 2g giving much better than airtel 4G.